Hello,
I have a shell script that is used as follows:
./script -s <Oracle_server_name>
the script returns several lines in this format:
parameter name required value Current Value comments
--------------- ------------- -------------- ---------
My objective now is to compare 2... (1 Reply)
For example:
% ls /store > list.txt
% less list.txt
% 1.txt
% 2.txt
I want to execute 'ls' in verbose and store the result in background to 'list.txt' so i dont have to execute another command just to view the contents of the 'list.txt'
% ls /store > list.txt
% 1.txt
% 2.txt
%... (2 Replies)
function GetInput
{
print -n "Input"
read input
export INPUT=$input
}
export COMMAND="GetInput"
$COMMAND
echo "$INPUT"
$COMMAND | tee -a Log.log
echo "$INPUT"
The first one without "tee" works fine. echo "$INPUT" displays the values I type in for input. The second... (5 Replies)
First, this is bash (3.2.17), on a Mac, 10.5.7.
What I'm trying to do is look at a list of users, and check to see if each exists. If they do, do some more stuff, if they don't, drop them into an error file.
So, my user list is:
foo - exists
bar - does not exist
blah - does not exist
... (2 Replies)
ps -e -o pcpu,pid,cmd --sort pcpu | sed '/^ 0.0 /d'|awk '{print $2}'|grep -v PID
Gives the output:
4482
4023
5912
I want to operate on each pid in the output. How to do so. (2 Replies)
Title is very broad, but here's an outline of what I have done so far:
- I have multiple subdirectories containing multiple *.fna files of DNA sequences
- I've been able to traverse these subdirectories and create a tab-delimited text file (i.e. the association file) that shows the contents of... (1 Reply)
Hello Friends,
Im working on Ksh (it is not my will :) )
I would like to get rid off the outputs lines which includes "can't open" .. i guess it must be an easy thing but could not find any usefull thing,
ls -l *credit* | xargs grep -i "*data*"
22:set conv(DATA) B16
22:proc... (3 Replies)
Hello friends,
I've been working on a solaris server,
I need to test responses of a web service using WGET command, if the response is successful, how quick it is etc.
I have scirpt like this, I modified it, i try to redirect the output of time command to total.txt but i couldn't manage, i... (4 Replies)
Discussion started by: EAGL€
4 Replies
LEARN ABOUT PHP
fwrite
FWRITE(3) 1 FWRITE(3)fwrite - Binary-safe file writeSYNOPSIS
int fwrite (resource $handle, string $string, [int $length])
DESCRIPTION fwrite(3) writes the contents of $string to the file stream pointed to by $handle.
PARAMETERS
o $handle
-A file system pointer resource that is typically created using fopen(3).
o $string
- The string that is to be written.
o $length
- If the $length argument is given, writing will stop after $length bytes have been written or the end of $string is reached,
whichever comes first. Note that if the $length argument is given, then the magic_quotes_runtime configuration option will be
ignored and no slashes will be stripped from $string.
RETURN VALUES fwrite(3) returns the number of bytes written, or FALSE on error.
NOTES
Note
Writing to a network stream may end before the whole string is written. Return value of fwrite(3) may be checked:
<?php
function fwrite_stream($fp, $string) {
for ($written = 0; $written < strlen($string); $written += $fwrite) {
$fwrite = fwrite($fp, substr($string, $written));
if ($fwrite === false) {
return $written;
}
}
return $written;
}
?>
Note
On systems which differentiate between binary and text files (i.e. Windows) the file must be opened with 'b' included in fopen(3)
mode parameter.
Note
If $handle was fopen(3)ed in append mode, fwrite(3)s are atomic (unless the size of $string exceeds the filesystem's block size, on
some platforms, and as long as the file is on a local filesystem). That is, there is no need to flock(3) a resource before calling
fwrite(3); all of the data will be written without interruption.
Note
If writing twice to the file pointer, then the data will be appended to the end of the file content:
<?php
$fp = fopen('data.txt', 'w');
fwrite($fp, '1');
fwrite($fp, '23');
fclose($fp);
// the content of 'data.txt' is now 123 and not 23!
?>
EXAMPLES
Example #1
A simple fwrite(3) example
<?php
$filename = 'test.txt';
$somecontent = "Add this to the file
";
// Let's make sure the file exists and is writable first.
if (is_writable($filename)) {
// In our example we're opening $filename in append mode.
// The file pointer is at the bottom of the file hence
// that's where $somecontent will go when we fwrite() it.
if (!$handle = fopen($filename, 'a')) {
echo "Cannot open file ($filename)";
exit;
}
// Write $somecontent to our opened file.
if (fwrite($handle, $somecontent) === FALSE) {
echo "Cannot write to file ($filename)";
exit;
}
echo "Success, wrote ($somecontent) to file ($filename)";
fclose($handle);
} else {
echo "The file $filename is not writable";
}
?>
SEE ALSO fread(3), fopen(3), fsockopen(3), popen(3), file_get_contents(3).
PHP Documentation Group FWRITE(3)